They starred in the series "Gene Simmons Family Jewels" for seven seasons on another cable network, A&E, from 2006 to 2012.

The comic actor, who was twice Oscar nominated, for his role in “The Producers” and for co-penning “Young Frankenstein” with Mel Brooks, usually portrayed a neurotic who veered between total hysteria and dewy-eyed tenderness.

“My quiet exterior used to be a mask for hysteria,” he told Time magazine in 1970.

After the book was released, Gene’s daughter Sophie slammed Katey for her revelation, telling “Allegedly with Theo Von & Matthew Cole Weiss” on Tuesday, "To write about someone and then have it affect their family, I feel like is a really kind of low place to sell a book.

I mean, congrats to the one groupie who thought they got ahead, but apparently didn’t.” Aside from her on-again, off-again relationship with Simmons, Sagal also opened up about her 15-year-old battle with drugs.

Lorna’s mom had a lot of pills on her bedside table and slept past noon just like my mom.

In her new memoir “Grace Notes: My Recollections,” Katey Sagal reveals she had an affair with Kiss frontman Gene Simmons.

Sagal and Simmons reportedly met at a Santa Monica bar, where she worked as a singing waitress in the 1970s.

The 23-year-old spawn of KISS rocker Gene Simmons and former Playboy Playmate Shannon Tweed put her curves on display during a photo shoot.